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Med Rx.

Ampicillin Sodium interactions

Checked as Ampicillin in this data source.

Full monograph for Ampicillin SodiumCheck it against another medicine

Medicines

184 documented

Medicines documented to interact with Ampicillin Sodium, worst severity first.
MedicineSeverityMechanismEffectSources
MethotrexateMajorExcretionConcomitant use of large doses of penicillins may elevate serum methotrexate concentrations. The mechanism may involve competitive inhibition of renal tubular…11 sources — open the full entry
AmikacinModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Amlodipine Besilate + AtenololModerateAbsorption · UnknownINTERVAL: The oral coadministration of ampicillin and atenolol may result in decreased plasma concentrations of the latter, possibly due to impaired…2 documented mechanisms9 sources — open the full entry
AtenololModerateAbsorptionINTERVAL: The oral coadministration of ampicillin and atenolol may result in decreased plasma concentrations of the latter, possibly due to impaired…9 sources — open the full entry
Atenolol + ChlorthalidoneModerateAbsorptionINTERVAL: The oral coadministration of ampicillin and atenolol may result in decreased plasma concentrations of the latter, possibly due to impaired…9 sources — open the full entry
Beclomethasone Dipropionate + Chloramphenicol + Clotrimazole + LidocaineModerateAntagonismChloramphenicol may inhibit the bactericidal effect of penicillins when used to treat bacterial meningitis and staphylococcal endocarditis. Chloramphenicol…4 sources — open the full entry
Betamethasone + Clotrimazole + GentamicinModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Chloramphenicol (Oral)ModerateAntagonismChloramphenicol may inhibit the bactericidal effect of penicillins when used to treat bacterial meningitis and staphylococcal endocarditis. Chloramphenicol…4 sources — open the full entry
Chloramphenicol + Lidocaine HydrochlorideModerateAntagonismChloramphenicol may inhibit the bactericidal effect of penicillins when used to treat bacterial meningitis and staphylococcal endocarditis. Chloramphenicol…4 sources — open the full entry
Chloroquine PhosphateModerateAbsorptionINTERVAL: Concomitant administration of chloroquine may delay as well as decrease the gastrointestinal absorption of ampicillin. The exact mechanism of…9 sources — open the full entry
Cyproterone Acetate + Ethinyl EstradiolModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Dexamethasone + ChloramphenicolModerateAntagonism · UnknownChloramphenicol may inhibit the bactericidal effect of penicillins when used to treat bacterial meningitis and staphylococcal endocarditis. Chloramphenicol…2 documented mechanisms4 sources — open the full entry
Dexamethasone + TobramycinModerateOthers · UnknownINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…2 documented mechanisms18 sources — open the full entry
DexlansoprazoleModerateAbsorptionBecause lansoprazole increases gastric pH, it theoretically could decrease absorption of drugs like ampicillin which require an acidic environment.8 sources — open the full entry
Dienogest + Estradiol ValerateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Doxycycline HydrochlorideModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Drospirenone + EstradiolModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Drospirenone + Ethinyl Estradiol0.02 mg0.03 mgModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Drospirenone + Ethinyl Estradiol + LevomefolateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Entecavir MonohydrateModerateExcretionCoadministration of entecavir with another drug that is also eliminated by active tubular secretion may result in increased plasma concentrations of one or…2 sources — open the full entry
Estradiolbasevaginal creamModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Estradiol + DydrogesteroneModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Estradiol Hemihydrate + Progesterone MicronizedModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Estradiol ValerateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + Desogestrel0.02 mg0.03 mgModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + GestodeneModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + Levonorgestrel + Ferrous FumarateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + Lynestrenol0.0375 mg0.05 mgModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Fluorometholone + GentamicinModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Gentamicin + Hydrocortisone AcetateModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Gentamicin SulfateInjectionOphthalmicModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
KanamycinModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Lactobacillus Rhamnosus GGModerateAntagonismCoadministration of oral probiotic preparations with oral antibiotics may reduce the efficacy of the probiotic. It has been theorized that concomitant…1 sources — open the full entry
LansoprazoleModerateAbsorptionBecause lansoprazole increases gastric pH, it theoretically could decrease absorption of drugs like ampicillin which require an acidic environment.8 sources — open the full entry
Lansoprazole + Amoxicillin + ClarithromycinModerateAbsorption · Others · UnknownBecause lansoprazole increases gastric pH, it theoretically could decrease absorption of drugs like ampicillin which require an acidic environment.3 documented mechanisms11 sources — open the full entry
Loteprednol Etabonate + TobramycinModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Minocycline HydrochlorideModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Mycophenolate MofetilModerateAbsorptionTheoretically, drugs that alter the gastrointestinal flora (e.g., antibiotics) may reduce the oral bioavailability of mycophenolic acid products. Some…3 sources — open the full entry
Mycophenolic acidModerateAbsorptionTheoretically, drugs that alter the gastrointestinal flora (e.g., antibiotics) may reduce the oral bioavailability of mycophenolic acid products. Some…3 sources — open the full entry
Norgestrel + Ethinyl Estradiol + Ferrous FumarateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
OxytetracyclineModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Oxytetracycline + Polymixin B SulphateModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
PemetrexedModerateExcretionCoadministration with drugs that are eliminated by active tubular secretion may delay and/or decrease the clearance of pemetrexed. The mechanism is competitive…1 sources — open the full entry
Relugolix + Estradiol + NorethindroneModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Tetracycline HydrochlorideModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
TobramycinNebuliser SolutionOphthalmicModerateOthersINTERVAL: Ampicillin may inactivate aminoglycosides in vivo and in vitro. The mechanism is complexation with the aminoglycoside. Typically, this effect is…18 sources — open the full entry
Warfarin SodiumModerateSynergyPenicillins may occasionally potentiate the risk of bleeding in patients treated with oral anticoagulants. The exact mechanism of interaction is unknown but…54 sources — open the full entry
Allium cepa + Heparin + AllantoinMinorSynergyCase reports have suggested that intravenous penicillins may intensify the effect of heparin by inhibition of platelet aggregation; however, causality has not…3 sources — open the full entry
AllopurinolMinorSynergyCoadministration of allopurinol with ampicillin or amoxicillin may increase the risk of skin rash. The mechanism of interaction is unknown, and it is unclear…4 sources — open the full entry
Azithromycin DihydratebaseOphthalmicMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry

Food & lifestyle

Conditions

Conditions in which Ampicillin Sodium needs care, as documented in this source.

Therapeutic duplication

Drug classes that overlap with Ampicillin Sodium, so taking both doubles up the same effect. This source publishes no per-row citations for duplication.